Finding the Fourth Proportional to 18,474.52, 25,493.88 and 10,516.72

Step by Step Solution

1. Step 1: Write the proportion equation
   18,474.52 : 25,493.88 = 10,516.72 : x
2. Step 2: Convert to fraction form
   18,474.52/25,493.88 = 10,516.72/x
3. Step 3: Cross multiply
   18,474.52x = 25,493.88 × 10,516.72
4. Step 4: Simplify right side
   18,474.52x = 268,111,997.67
5. Step 5: Solve for x
   x = 268,111,997.67/18,474.52
6. Step 6: Final answer
   x = 14,512.53